PI=3.1415926
def list_elements_multiply(a):
    result = []
    for element in a:
        result.append(element * 10)
    return result
    

a = [1,2,3,4,5,6]
b = list_elements_multiply(a)
c = list_elements_multiply(b)
d = list_elements_multiply(c)

print("a:",a)
print("b:",b)
print("c:",c)
print("d:",d)

def list_elements_multiply_2(a):
    for k in range(len(a)):
        a[k] = a[k]*10
    
        
x = list_elements_multiply_2(a)
print("New a:",a)
print("x:",x)


def list_elements_multiply(a,n=10):
    result = []
    for element in a:
        result.append(element * 10)
    return result


print(list_elements_multiply(a))


def list_elements_multiply(a,skip=4,n=100):
    result = []
    for i,element in enumerate(a):
        if i >= skip:
            element = element*n
        result.append(element )
    return result

print(list_elements_multiply(a,4,100))